3885551 has 4 divisors (see below), whose sum is σ = 4054512. Its totient is φ = 3716592.

The previous prime is 3885533. The next prime is 3885569. The reversal of 3885551 is 1555883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1555883 = 7 ⋅222269.

It is an interprime number because it is at equal distance from previous prime (3885533) and next prime (3885569).

It is a cyclic number.

It is not a de Polignac number, because 3885551 - 2⁶ = 3885487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3885521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84446 + ... + 84491.

It is an arithmetic number, because the mean of its divisors is an integer number (1013628).

Almost surely, 2^3885551 is an apocalyptic number.

3885551 is a deficient number, since it is larger than the sum of its proper divisors (168961).

3885551 is a wasteful number, since it uses less digits than its factorization.

3885551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168960.

The product of its digits is 24000, while the sum is 35.

The square root of 3885551 is about 1971.1801033898. The cubic root of 3885551 is about 157.2114613083.

The spelling of 3885551 in words is "three million, eight hundred eighty-five thousand, five hundred fifty-one".